State the appropriate null and alternative hypothesis

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Reference no: EM13140038

State the appropriate null and alternative hypothesis for the following case: The examinations in a large freshmen chemistry class are scaled after grading so that the mean score is 72. The professor thinks that students who attend morning recitation sections will have a higher mean score than the class as a whole. Her students this semester can be considered a sample from the population of all students she might teach, so she compares their mean score with 72.

Reference no: EM13140038

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